Double side light box 1 Transparent frame 2 four screws open style 3 quality engraved acrylic 4.CE,UL.RoHS Double-side Crystal Light boxsignature strengthsTransparent the borders,include single side and double side ,desk type, wall mounting type, suspension type. Adopt new optical quality acrylic material , use the top 3D laser engraving in the world.Dig technology that could improve the ...